Home / 39,292.68-58,911.84-12,993.60

Finding the Fourth Proportional to 39,292.68, 58,911.84 and 12,993.60

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Solution

The fourth proportional to 39,292.68, 58,911.84 and 12,993.60 is: 19,481.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,292.68 : 58,911.84 = 12,993.60 : x
  2. Step 2: Convert to fraction form
    39,292.68/58,911.84 = 12,993.60/x
  3. Step 3: Cross multiply
    39,292.68x = 58,911.84 × 12,993.60
  4. Step 4: Simplify right side
    39,292.68x = 765,476,884.22
  5. Step 5: Solve for x
    x = 765,476,884.22/39,292.68
  6. Step 6: Final answer
    x = 19,481.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.